I tried this. I waited for 5 min before executing list command on shell. Also,there was no log in HMaster logs when this exception (ERROR: org.apache.hadoop.hbase.MasterNotRunningException: null) was thrown while accessing through HBase shell.
On Wed, Nov 17, 2010 at 3:12 AM, Hari Sreekumar <hsreeku...@clickable.com> wrote: > It seems to be all right. How long do you wait after starting HBase before > trying to list? Wait 5 mins after starting the daemons before listing. Did > you try list after checking the master log (the one you have uploaded here) > ? You could also try using localhost instead of the hostname in the conf > files. Let me know.. > > hari > > On Wed, Nov 17, 2010 at 12:57 PM, Alaukik Aggarwal < > alaukik.aggar...@gmail.com> wrote: > >> $ bin/hadoop fs -ls / >> Found 2 items >> drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:28 /hbase >> drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:17 /tmp >> >> $ bin/hadoop fs -ls /hbase >> Found 4 items >> drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:26 /hbase/-ROOT- >> drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:17 /hbase/.META. >> drwxr-xr-x - alaukik supergroup 0 2010-11-16 23:39 /hbase/.logs >> -rw-r--r-- 3 alaukik supergroup 3 2010-11-16 23:17 >> /hbase/hbase.version >> >> This also seems to fine. >> >> What could be the reason? :S >> >> Also, when does HMaster give the following in its Log: >> Failed to read: org.apache.zookeeper.KeeperException$NoNodeException: >> KeeperErrorCode = NoNode for /hbase/master >> >> Alaukik >> >> >> On Wed, Nov 17, 2010 at 2:03 AM, Hari Sreekumar >> <hsreeku...@clickable.com> wrote: >> > No, for pseudo distributed mode, you shouldn't set >> hbase.cluster.distributed >> > to true. /etc/hosts seems to be fine. And HMaster is running fine as per >> the >> > log file. Did you try browsing root in HDFS? (dfs -ls /). Has a directory >> > named hbase been created automatically? Does it contain anything? >> > >> > On Wed, Nov 17, 2010 at 11:06 AM, Alaukik Aggarwal < >> > alaukik.aggar...@gmail.com> wrote: >> > >> >> Thanks for your quick reply. >> >> >> >> $ cat /etc/hosts >> >> 127.0.0.1 localhost >> >> 192.168.1.2 alaukik >> >> >> >> # The following lines are desirable for IPv6 capable hosts >> >> ::1 localhost ip6-localhost ip6-loopback >> >> fe00::0 ip6-localnet >> >> ff00::0 ip6-mcastprefix >> >> ff02::1 ip6-allnodes >> >> ff02::2 ip6-allrouters >> >> ff02::3 ip6-allhosts >> >> >> >> >> >> My OS is Ubuntu 10.04.1. >> >> >> >> In regionservers.log: >> >> Tue Nov 16 23:38:54 EST 2010 Starting regionserver on alaukik >> >> ulimit -n 1024 >> >> 2010-11-16 23:38:55,706 WARN >> >> org.apache.hadoop.hbase.regionserver.HRegionServer: Not starting a >> >> distinct region server because hbase.cluster.distributed is false >> >> >> >> Should we set distributed as true? >> >> I am trying to run this in pseudo-distributed mode. And on HBase site, >> >> it is mentioned that this is set true only in distributed mode. >> >> >> >> Alaukik >> >> >> >> >> >> >> >> On Wed, Nov 17, 2010 at 12:00 AM, Hari Sreekumar >> >> <hsreeku...@clickable.com> wrote: >> >> > Hi, >> >> > hmm... It seems HRegionServer is unable to start because it doesn't >> see >> >> > the HMaster at 192.168.1.2:60000. Can you post your /etc/hosts file? >> >> There >> >> > might be issues with the wrong IP being reported. What is your OS? >> >> > >> >> > hari >> >> > >> >> > On Wed, Nov 17, 2010 at 10:21 AM, Alaukik Aggarwal < >> >> > alaukik.aggar...@gmail.com> wrote: >> >> > >> >> >> Hi, >> >> >> >> >> >> I am running HBase configured in Pseudo-distributed mode (Hadoop also >> >> >> in Pseudo Distributed mode) >> >> >> Hadoop version: 0.20.2 >> >> >> HBase version: 0.20.6 >> >> >> >> >> >> On running any command (for instance, list) in HBase shell, it gives >> me: >> >> >> ERROR: org.apache.hadoop.hbase.MasterNotRunningException: null >> >> >> >> >> >> I can see master running at: http://alaukik:60010/master.jsp >> >> >> (Similarly, I can also see namenode running in Web UI). >> >> >> >> >> >> On jps, I get all the required processes running: >> >> >> >> >> >> $ jps >> >> >> 9513 HQuorumPeer >> >> >> 9259 TaskTracker >> >> >> 9099 JobTracker >> >> >> 9771 Jps >> >> >> 8677 NameNode >> >> >> 9572 HMaster >> >> >> 9019 SecondaryNameNode >> >> >> 8848 DataNode >> >> >> >> >> >> I have attached a fresh log of hbase-master and my hbase-site.xml >> file. >> >> >> >> >> >> I cannot see any exception in the log, except a Failed notification: >> >> >> Failed to read: org.apache.zookeeper.KeeperException$NoNodeException: >> >> >> KeeperErrorCode = NoNode for /hbase/master >> >> >> >> >> >> Also if I try to access HBase through Java client (exact sample code >> >> >> given on apache HBase site), I get the follwoing output: >> >> >> 10/11/16 23:46:29 WARN hbase.HBaseConfiguration: instantiating >> >> >> HBaseConfiguration() is deprecated. Please use >> >> >> HBaseConfiguration#create() to construct a plain Configuration >> >> >> 2 >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeperWrapper: Reconnecting to >> >> >> zookeeper >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:zookeeper.version=3.3.1-942149, built on 05/07/2010 17:14 >> >> >> GMT >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment: >> >> host.name >> >> >> =alaukik >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.version=1.6.0_22 >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.vendor=Sun Microsystems Inc. >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.home=/usr/lib/jvm/java-6-sun-1.6.0.22/jre >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.class.path=/home/.............log4j-1.2.15.jar >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> >> >> >> >> >> >> environment:java.library.path=/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386/server:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/../lib/i386:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386/client:/usr/lib/jvm/java-6-sun-1.6.0.22/jre/lib/i386:/usr/lib/xulrunner-addons:/usr/lib/xulrunner-addons:/usr/java/packages/lib/i386:/lib:/usr/lib >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.io.tmpdir=/tmp >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:java.compiler=<NA> >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment: >> os.name >> >> >> =Linux >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> environment:os.arch=i386 >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:os.version=2.6.32-25-generic >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client environment: >> >> user.name >> >> >> =alaukik >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:user.home=/home/alaukik >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Client >> >> >> environment:user.dir=/home/alaukik/Documents/workspace/HBaseTest >> >> >> 10/11/16 23:46:29 INFO zookeeper.ZooKeeper: Initiating client >> >> >> connection, connectString=alaukik:2222 sessionTimeout=60000 >> >> >> watcher=org.apache.hadoop.hbase.zookeeper.zookeeperwrap...@1126b07 >> >> >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Opening socket >> connection >> >> >> to server alaukik/192.168.1.2:2222 >> >> >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Socket connection >> >> >> established to alaukik/192.168.1.2:2222, initiating session >> >> >> 10/11/16 23:46:29 INFO zookeeper.ClientCnxn: Session establishment >> >> >> complete on server alaukik/192.168.1.2:2222, sessionid = >> >> >> 0x12c5820cbf80003, negotiated timeout = 60000 >> >> >> 10/11/16 23:46:30 INFO client.HConnectionManager$TableServers: >> >> >> getMaster attempt 0 of 4 failed; retrying after sleep of 5000 >> >> >> java.io.IOException: Call to /192.168.1.2:60000 failed on local >> >> >> exception: java.io.EOFException >> >> >> at >> >> >> >> >> >> org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:779) >> >> >> at >> >> >> org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:748) >> >> >> at >> >> >> >> org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:255) >> >> >> at $Proxy0.getProtocolVersion(Unknown Source) >> >> >> at >> >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:412) >> >> >> at >> >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:388) >> >> >> at >> >> org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:435) >> >> >> at >> >> >> >> >> >> org.apache.hadoop.hbase.client.HConnectionManager$TableServers.getMaster(HConnectionManager.java:383) >> >> >> at >> >> >> org.apache.hadoop.hbase.client.HBaseAdmin.<init>(HBaseAdmin.java:78) >> >> >> at com.gt.hbase.HBase2.main(HBase2.java:30) >> >> >> Caused by: java.io.EOFException >> >> >> at java.io.DataInputStream.readInt(DataInputStream.java:375) >> >> >> at >> >> >> >> >> >> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:512) >> >> >> at >> >> >> >> >> >> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:452) >> >> >> >> >> >> >> >> >> Kindly help, >> >> >> Alaukik >> >> >> >> >> > >> >> >> > >> >
